Questions tagged [proxy]

A method of connecting to the internet through an intermediary (a proxy server) which handles connections and redirects them.

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Access wordpress blog on subdirectory /blog that is running on subdomain

I have my main site https://mysite.com in nextjs and wordpress blog on subdomain https://blog.mysite.com. They both are hosted on different servers and diff hostings. I need my blog to be accessible ...
1 vote
1 answer
6k views

How to change network proxy settings in Kubuntu 15.10

I am new to linux and I have kubuntu 15.10. I connect to a internet network at my university which has proxy settings. So wanted to know how to make changes at the Kubuntu system level for this proxy. ...
2 votes
1 answer
12k views

proxy settings for snap store

This has been really frustrating, and pretty much unsolvable for me. I am on an university network, so naturally I use proxy. I have set proxy appropriately in /etc/environment. But, always, no ...
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1 answer
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Cannot add PPA deadsnakes to ubuntu 18.04 behind company proxy

When I try to add ppa repository to Ubuntu within my company network sudo add-apt-repository ppa:deadsnakes/ppa I get Cannot add PPA: 'ppa:~deadsnakes/ubuntu/ppa'. ERROR: '~deadsnakes' user or team ...
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How can I set up socks5 proxy with authentication?

I have a socks5 proxy with user password authentication. I want to set it for my full system network traffic. How can I do that? I tried proxychain, but it only works for the command line. I need to ...
3 votes
5 answers
12k views

Removing proxy for apt

I am having trouble removing proxy from apt. I recently came home from my institute where they used proxy to access internet. I had set up apt proxy using etc/apt/apt.conf file. I also had set the ...
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I am trying to setup a a reverse proxy with SSL and Apache2

I have installed an SSL certificate from No ip. When I try and restart Apache2, I receive this error: AH02572: Failed to configure at least one certificate and key for reverse-proxy.internal.cloudapp....
3 votes
1 answer
11k views

Send all OpenVPN traffic through proxy or TOR proxy?

I have an OpenVPN server and I want to be able to route all requests that are made to that OpenVPN server through a proxy, so that the requests will look like they are made be the internet address of ...
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Set proxy for a flatpak app

Is there a way I can permanently connect the Flatpak app to Tor (that is accessible with SOCKS5://127.0.0.1:9050) in my laptop to bypass the government censorship? Specifically, I want to be able to ...
1 vote
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LXD UI Not Recognizing Certificates over NGINX Proxy Manager

I am hosting an LXD instance with the UI enabled. I have passed through the UI via NGINX proxy manager and Cloudflare is proxying the connection with DNS from a subdomain. On my local network, I can ...
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Always getting error 'The following packages have unmet dependencies' when I want to install new packages

When I get some new packages using `sudo apt update sudo apt install <packages>` I always got error message like `The following packages have unmet dependencies: squid : Depends: libecap3 (>...
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1 answer
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Squid3: allow some site only for some user

I've a squid3 proxy on my server ubuntu. I would allow access to a group of sites only to a group of users. Now my simple code is this: acl WHITELIST url_regex "/var/proxy/whitelist/test.whitelist" ...
1 vote
1 answer
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Where does ubuntu store the address for the global proxy?

When you install an ubuntu server it asks: "If this system requires a proxy to connect to the internet, enter its details here." I decided to try throwing in a random local address with the ...
1 vote
1 answer
6k views

Squid proxy server giving the error 'The system returned: (110) Connection timed out'

I get the error "The system returned: (110) Connection timed out" from the browser when I try to browse through the squid proxy server....Any suggested solutions???
4 votes
1 answer
7k views

Root CA certs - exporting from Windows, importing into Ubuntu

I'm behind a corporate proxy, and we have Windows PCs with root ca certs pre-installed so SSL works with the proxy. Within my PC, I'm spinning up Linux VMs for testing, and so I have a need to get ...
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How to forward internet traffic of port 51413 to go through 127.0.0.1:8443?

I am on Ubuntu 22.04 MATE. I have installed the C library of shadowsocsk-libev, and I connect to my server using ss-local -c /etc/shadowsocks.json . and I get the following output: 2024-02-13 20:38:...
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Can I somehow use system wide NO_PROXY to only proxy a couple specific hosts?

I know NO_PROXY is meant to be a blacklist and all other hosts are sent via proxy. But I am wondering if there is something clever I can do with wildcards and a specific couple hosts to get all hosts ...
1 vote
2 answers
5k views

Proxychains configuration

I have downloaded proxychains and configured it to run with tor. I want a chain of 3 or more proxies. 3 will be enough. The problem is finding proxies that are up and running i just keep getting ...
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Want to block downloading files like .doc, .dat, .mp3, .wav, .avi .rar, .exe using squid Proxy in Ubuntu 22.04

I want to block downloading files like .doc, .dat, .mp3, .wav, .avi .rar, .exe using squid Proxy in Ubuntu 22.04 but unable to do already tried many option with urlpath_regex parameter. Examples are ...
1 vote
1 answer
8k views

Cannot upgrade pip behind proxy

I've tried all the suggestions in this other question, but it just isn't working for me: Unable to upgrade pip I'm running Ubuntu 12.04, and was able to install pip 1.0 using apt, but that version ...
1 vote
2 answers
1k views

How Do I Use A Caching Proxy WIth debootstrap?

I want to run debootstrap and create a distro multiple times without constantly downloading packages. Using apt-cacher-ng or the --foreign option in debootstrap doesn't work completely offline (e.g. ...
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2 answers
4k views

Problems with authentification on proxy cntlm Ubuntu 18.4 server

I've just installed ubuntu 18.4 on my server. As we are behind a firewall so I need a proxy. Linux and my company's proxy do not work together, therefore I've installed cntlm on one computer. This ...
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I can't open jnlp file in UBUNTU 22.04.3 LTS

*****************:~/Downloads$ javaws jaligner.jnlp Unable to use Firefox's proxy settings. Using "DIRECT" as proxy type. Unable to use Firefox's proxy settings. Using "DIRECT" as ...
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Transmission reverse proxy wont to find peer's

I'm new in Ubuntu! Today I put transmission-daemon behind the apache2 web server using reverse proxy, get SSL certificate to my.domain.com and have https:// access using web interface with port 9091 ...
1 vote
4 answers
32k views

docker: Error response from daemon: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection

How can I fix this problem in Ubuntu 20.04? [18:31:29] (dpcc) jalal@echo:~/research/code$ sudo docker pull docurdt/heal [sudo] password for jalal: Using default tag: latest Error response from daemon:...
3 votes
1 answer
5k views

How to find proxy settings used with MATE Terminal or via a web browser

I'm on a virtualized environment and it has no network manager, as the network settings are pre-defined. I would just like to see the network configuration, not modify it. MATE Terminal shows this ...
1 vote
0 answers
52 views

Ubuntu 22.04 Kubernetes setup - failed to pull image

I'm trying to install a Kubernetes test in my lab environment. I'm behind a proxy which is configured for curl, apt and wget But there is a special certificate used from forcepoint. All ssl ...
1 vote
1 answer
7k views

Proxy port configuration in lubuntu

I recently installed Lubuntu 18.04 on my laptop (dual-boot with windows) and in the network settings there is not a port option to configure. In my place of work I use a wired connection with a http ...
1 vote
1 answer
5k views

Use proxychains in terminal

I know that I'm using the proxy(tor) by the precise return of this command: sudo proxychains sh -c 'apt update' However, when I do this in 2 steps, the command's return isn't as precise as before: ...
1 vote
2 answers
6k views

What's the default proxy settings in Ubuntu 20.04?

Linux newbie here. I tried to set up system proxy by changing environment variables (such as "http_proxy"), but now I no longer need it. The problem is, I forgot what the default (not using ...
1 vote
1 answer
7k views

Apache Tomcat webapps have to use a proxy

I've installed Apache Tomcat and want to use a proxy for my webapps. Some apps request data from the internet, they don't have an own/internal possibility to use a proxy. I added the following lines ...
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Whitelisting Websites on Kubuntu Hotspot

I'm trying to create a Wi-Fi hotspot on my Kubuntu laptop. I want to limit internet access to a specific list of websites for devices connected to the hotspot. Any idea how to achieve this?
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1 answer
6k views

Apache proxy error failed to make connection to backend 127.0.0.1"

I can't connect to my company website. it shows service unavailable. Service Unavailable The server is temporarily unable to service your request due to maintenance downtime or capacity problems. ...
0 votes
2 answers
699 views

Wildcard for apt proxy settings

I work on a number of Ubuntu 16.04 servers that downloads packages from a mix of internal mirror of Ubuntu repos, and external repos (security, backports). There is no direct connection to the ...
16 votes
3 answers
15k views

Disable proxy server for one apt repository

I have made a local apt repository, but my IT-department caches LAN traffic on the proxy server. Is there a way I could work around this to disable the proxy settings for this local apt repository? in ...
2 votes
1 answer
6k views

How to allow access to a localhost tcp port to one specific external IP address?

Say we have a reddis server on localhost. We need to connect it from some other IPs. We know public IP of a node that we want to connect to our localhost port and have sudo. How to allow access to a ...
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1 answer
4k views

Having some trouble authenticating via proxy in order to use apt-get successfully on a corporate network

Apologies if this is a basic question, I've recently taken ownership of our department's internal server so I'm having to deal with issues beyond my (very basic) knowledge. Context Our server is on ...
0 votes
1 answer
11k views

Squid Proxy - The requested URL could not be retrieved

I'm trying to redirect all of my subnet traffic to a squid proxy using iptables on the router gateway (the squid proxy is located in the LAN). The redirection works (cache & access file respond ...
0 votes
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21 views

Share internet from HOST to PC via router

I have HOST, which is connected to WAN and router; Also I have a PC, that connected to router; I can ssh from HOST to PC and vice versa; Both are ubuntu 20; How can I make internet availability on PC? ...
2 votes
1 answer
13k views

apt-get does not connect to repository for update

When I use sudo apt-get update, I get the following errors: Err:1 http:/archive.ubuntu.com/ubuntu xenial InRelease Could not connect to localhost:4001 (127.0.0.1). - connect (111: Connection ...
2 votes
2 answers
17k views

no_proxy for subnet or range of ips

I have machine connected to 2 Nets, some for my local network I want bypass (not go through) proxy: How define no_proxy for range of local network for example 192.168.100.0/24 This syntax 192.168....
19 votes
5 answers
10k views

How do I ignore a proxy if not available?

Following the instructions in Best way to cache apt downloads on a LAN?, I've set up a caching proxy in my local network. Since that machine is not always up, I'd like to be able to refresh the ...
2 votes
1 answer
6k views

Dropbox 'Waiting to be Linked to a Dropbox Account'

When I execute ~/.dropbox-dist/dropboxd after cd ~ && wget -O - "https://www.dropbox.com/download?plat=lnx.x86_64" | tar xzf -, Dropbox GUI loads, on the notification bar I ...
2 votes
1 answer
306 views

3proxy, plain HTTP proxy, "Failed to connect"

I'm trying to configure 3proxy on Ubuntu 22.04, following the instructions on the developer's website as well as tutorials from the internet. I need a standard HTTP proxy. All HTTP and HTTPS ports are ...
0 votes
2 answers
7k views

Ubuntu 16.04 browser won't connect to proxy server

I'm using Ubuntu 16.04 and access internet behind the college's proxy server which requires authentication credentials. The problem is, at certain places in my college I'm able to access internet, ...
1 vote
1 answer
5k views

Error upon starting Squid Proxy Server using the command "sudo squid -z"

I got this error upon starting Squid Proxy Server using the command sudo squid -z: fatal: ipc::mem::segment::create failed to shm_open(/squid-cf__metadata.shm): 13 permission denied How shall I fix ...
-1 votes
1 answer
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burp: The proxy server is refusing connections from another computer

Ubuntu 12.04.5 LTS (Precise) 32-bit desktop. I have installed burp (an intercepting Proxy), and it works for programs run from the same computer, but when I try to connect from another computer on ...
0 votes
1 answer
3k views

Visual Studio Code can't connect to internet. As if proxy settings were set

Just installed visual studio code. I need to install plugins but it can't connect to the internet. It gives the error connect ETIMEDOUT 50.0.0.5:8080 The thing is; 50.0.0.5:8080 is a proxy that I ...
4 votes
2 answers
2k views

`http_proxy` not showing up with `printenv` on WSL

I am having trouble getting pip to work behind a corporate firewall. I added the http and https proxies to my /etc/environment file, and if I execute echo "$HTTP_PROXY" it prints the right thing. ...
3 votes
2 answers
9k views

How to solve SSL problems behind corporate proxy?

I'm using Ubuntu 22.04 on my company laptop. All is fine when I work from home. However, when I'm in office and working behind a company proxy I start facing SSL issues. I've been provided with a cert ...

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